Overview

The 3500/44M Aeroderivative GT Vibration Monitor is a four-channel instrument designed specifically for aeroderivative gas turbine applications. It:

• Continuously monitors machinery by comparing monitored parameters against configured alarm setpoints to trigger alarms.
• Communicates essential machine information for both operations and maintenance personnel.

The 3500/44M interfaces with Velomitor sensors and accelerometers through Bently Nevada interface modules. It uses the Prox/Velom I/O to connect with these sensors.

Specifications

• Inputs

  • Signal: Accepts 1 to 4 signals from interface modules (part numbers 86517 and 86497), Velomitors, and accelerometers.
  • Power Consumption: 7.7 Watts (typical).
  • Input Impedance:
    • Aero GT I/O: Greater than 95 kΩ (Proximitor and acceleration inputs).
    • Prox/Velom I/O: 10 kΩ for Prox/Accel, 3.5 MΩ for Velomitor.

• Output

  • Impedance: 550 Ω.
  • Transducer Power Supply: 23 Vdc nominal at 43 mA max.

• Dimensions

  • Height x Width x Depth: 241.3 mm x 24.4 mm x 99.1 mm (9.50 in x 0.96 in x 3.90 in).

• Weight: 0.45 kg (1.0 lb).

• Rack Space Requirements: 1 full-height rear slot.